F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
122/128, 137/142
F16K 47/00 (2006.01) F24D 17/00 (2006.01)
Patent
CA 1236376
11 IMPROVED HOT WATER RECOVERY SYSTEM ABSTRACT OF THE DISCLOSURE A heat recovery system recovers hot water to an insulated tank through reciprocally variable volume chambers which are biased to draw water from hot water lines when the pressure throughout the system is equalized. One-way valving means permits continuous water flow when desired through the hot water tank to the hot water outlet. In a specific embodiment, bias is effected by a piston having opposing faces of unequal area forming reciprocally moving walls of the chambers.
461316
Fetherstonhaugh & Co.
Haws Spencer K.
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